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2005-07-17 Yoshinori Okuji <okuji@enbug.org>

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* conf/i386-pc.rmk (pxeboot_img_LDFLAGS): The text address should
	be 0x7C00 instead of 0x8000.

	* boot/i386/pc/pxeboot.S: Rewritten.

	* kern/i386/pc/startup.S (gate_a20_try_bios): No need to specify
	EXT_C.
	(gate_a20_check_state): Read a byte from 0x108000. Invert the
	result.
This commit is contained in:
okuji 2005-07-16 22:06:33 +00:00
parent 654fc59fe4
commit ebedfd0003
5 changed files with 44 additions and 35 deletions
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2
conf/i386-pc.mk
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@ -48,7 +48,7 @@ pxeboot_img-boot_i386_pc_pxeboot.d: boot/i386/pc/pxeboot.S
-include pxeboot_img-boot_i386_pc_pxeboot.d
pxeboot_img_ASFLAGS = $(COMMON_ASFLAGS)
pxeboot_img_LDFLAGS = -nostdlib -Wl,-N,-Ttext,8000
pxeboot_img_LDFLAGS = -nostdlib -Wl,-N,-Ttext,7C00
# For diskboot.img.
diskboot_img_SOURCES = boot/i386/pc/diskboot.S

2
conf/i386-pc.rmk
View file

@ -14,7 +14,7 @@ boot_img_LDFLAGS = -nostdlib -Wl,-N,-Ttext,7C00
# For pxeboot.img
pxeboot_img_SOURCES = boot/i386/pc/pxeboot.S
pxeboot_img_ASFLAGS = $(COMMON_ASFLAGS)
pxeboot_img_LDFLAGS = -nostdlib -Wl,-N,-Ttext,8000
pxeboot_img_LDFLAGS = -nostdlib -Wl,-N,-Ttext,7C00
# For diskboot.img.
diskboot_img_SOURCES = boot/i386/pc/diskboot.S